LG Energy Solution, Ltd. patent applications on October 10th, 2024
Patent Applications by LG Energy Solution, Ltd. on October 10th, 2024
LG Energy Solution, Ltd.: 23 patent applications
LG Energy Solution, Ltd. has applied for patents in the areas of H01M4/02 (6), H01M10/0525 (5), H01M10/04 (4), H01M4/62 (3), H01M4/04 (3) H01M10/0431 (2), H01M10/0567 (2), H01M4/622 (2), H01M10/425 (2), H01M50/581 (1)
With keywords such as: electrode, battery, positive, material, negative, active, secondary, including, module, and device in patent application abstracts.
Patent Applications by LG Energy Solution, Ltd.
Inventor(s): Hyeonwoong Kang of Daejeon (KR) for lg energy solution, ltd., Chun Hong Park of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): B08B5/02, B08B5/04, H01M10/04
CPC Code(s): B08B5/023
Abstract: a cleaning apparatus of a carrier for a secondary battery that cleans the carrier transported by a transfer part according to an embodiment of the present invention includes: a main body that includes an entrance through which the transfer part enters and an exit through which the transfer part exits; and a plurality of nozzles installed at the main body to spray a cleaning material cleaning the carrier at the carrier. the plurality of nozzles include: a plurality of first nozzles disposed with their respective centers staggered with respect to an imaginary straight line along a direction from the entrance to the exit; and at least one second nozzle spraying a different cleaning material from a cleaning material sprayed from the plurality of first nozzles.
Inventor(s): ILHA LEE of Daejeon (KR) for lg energy solution, ltd., Mun Kyu JOO of Daejeon (KR) for lg energy solution, ltd., Sarah KIM of Daejeon (KR) for lg energy solution, ltd., Seoyoung JEON of Daejeon (KR) for lg energy solution, ltd., Yohan KWON of Daejeon (KR) for lg energy solution, ltd., Jonghyun CHAE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): B32B37/00, B32B15/04, B32B15/20, H01M4/04, H01M4/134, H01M4/1395, H01M10/052
CPC Code(s): B32B37/025
Abstract: disclosed is a transfer laminate, a pre-lithiation method of an electrode for a lithium secondary battery, and a lithium secondary battery including an electrode.
Inventor(s): Soon Jong KIM of Daejeon (KR) for lg energy solution, ltd., Jeong Bin LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): G01R31/392, G01R19/00, G01R19/10, G01R19/30, G01R31/367, G01R31/3842, G01R31/396
CPC Code(s): G01R31/392
Abstract: the present invention discloses an apparatus and method for detecting a deteriorated battery cell including a measurement unit that measures a state of a battery, an estimation unit that estimates a state of health (soh) of the battery, a diagnosis setting unit that sets a diagnosis start condition, a diagnosis section, and a determination condition of the deteriorated battery cell according to the soh of the battery, a diagnosis performance decision unit that determines a detection performance condition of the deteriorated battery cell after an end of charging/discharging of the battery, and a deterioration determination unit that determines the deteriorated battery cell by calculating a voltage difference in the charging and discharging end section and comparing the measurement value with a set value.
Inventor(s): Chan Woo Park of Daejeon (KR) for lg energy solution, ltd., Min Gyu Park of Daejeon (KR) for lg energy solution, ltd., Woo Seok Oh of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/04, G05D7/06, H01M4/02
CPC Code(s): H01M4/04
Abstract: the present invention relates to a slurry transfer device, and a slurry transfer method using the same, which relates to, particularly, a negative electrode slurry transfer device for a secondary battery, and a method of transferring a negative electrode slurry for a secondary battery using the same. according to a slurry transfer device related to one example of the present invention, and a slurry transfer method using the same, it is possible to prevent the quality of the slurry from deteriorating during transfer, and to increase the filter replacement cycle.
Inventor(s): Jin-Su JANG of Daejeon (KR) for lg energy solution, ltd., Sue-Jin KIM of Daejeon (KR) for lg energy solution, ltd., Duk-Hyun RYU of Daejeon (KR) for lg energy solution, ltd., Geun-Ho PARK of Daejeon (KR) for lg energy solution, ltd., Sang-Jin PARK of Daejeon (KR) for lg energy solution, ltd., Kwan-Hee LEE of Daejeon (KR) for lg energy solution, ltd., Yun-Ju LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/04, H01M4/139
CPC Code(s): H01M4/0404
Abstract: a drying device includes a first dryer configured to dry an electrode active material located in a coating boundary region having a boundary of a portion in which the electrode active material is coated and a portion in which the electrode active material is not coated on an electrode current collector, and a second dryer configured to dry at least the electrode active material located in a region other than the coating boundary region on the electrode current collector.
Inventor(s): Ji-Hye Kim of Daejeon (KR) for lg energy solution, ltd., Sang-Seung Oh of Daejeon (KR) for lg energy solution, ltd., Hyun-Seok Lee of Daejeon (KR) for lg energy solution, ltd., Sung-Hwan Cho of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/36, H01M4/02, H01M4/525, H01M10/0525
CPC Code(s): H01M4/366
Abstract: a positive electrode for a lithium secondary battery includes a first positive electrode active material layer on the current collector and_a second positive electrode active material layer on the first positive electrode active material layer. the second positive electrode active material layer includes bimodal positive electrode active materials including positive electrode active material secondary macroparticles and secondary microparticles having different average particle sizes to allow sufficiently high rolling pressure when manufacturing the electrode. the first positive electrode active material in the first positive electrode active material layer interposed between the current collector and the second positive electrode active material layer has the positive electrode active material particles less vulnerable to cracking.
20240339601. ELECTROCHEMICAL DEVICE_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Do-Joong LEE of Daejeon (KR) for lg energy solution, ltd., Ki-Hyun KIM of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/38, H01M4/02, H01M4/36, H01M10/0525, H01M10/0567, H01M10/0568, H01M10/0569
CPC Code(s): H01M4/382
Abstract: disclosed is an electrochemical device capable of preventing the exhaustion of a salt and additive in an electrolyte. the electrochemical device includes: a positive electrode; a lithium metal negative electrode; a separator between the positive electrode and the negative electrode; and a non-aqueous electrolyte including tin chloride (sncl).
Inventor(s): Su Jin PARK of Daejeon (KR) for lg energy solution, ltd., Yohan KWON of Daejeon (KR) for lg energy solution, ltd., Jaewook LEE of Daejeon (KR) for lg energy solution, ltd., Jisu KANG of Pohang-si (KR) for lg energy solution, ltd., Soojin PARK of Pohang-si (KR) for lg energy solution, ltd., Hye Bin SON of Pohang-si (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/62, H01M4/02, H01M4/13, H01M4/48, H01M10/052
CPC Code(s): H01M4/622
Abstract: a negative electrode composition, a negative electrode for a lithium secondary battery, including the same, a lithium secondary battery including the negative electrode, and a method for preparing a negative electrode composition are disclosed. the negative electrode composition including a silicon-containing active material; a first negative electrode conductive material; and a negative electrode binder. the negative electrode binder has a composite structure wherein the first negative electrode conductive material is bonded to a surface of the negative electrode binder. the bond is a bond formed by a radical polymerization reaction. the negative electrode binder has a modulus of 1�10mpa or more and 1�10mpa or less at 25� c. the silicon-containing active material is present in an amount ranging from 60 parts by weight or more based on 100 parts by weight of the negative electrode composition.
Inventor(s): Won Kyung Shin of Daejeon (KR) for lg energy solution, ltd., Kyoung Ho Ahn of Daejeon (KR) for lg energy solution, ltd., Chul Haeng Lee of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/62, H01M10/0525, H01M10/0565, H01M10/058
CPC Code(s): H01M4/622
Abstract: the present invention provides a lithium secondary battery including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode, and a gel polymer electrolyte formed by polymerizing an oligomer, wherein one or more electrodes selected from the positive electrode and the negative electrode includes an electrode current collector, an electrode active material layer formed on the electrode current collector, and a coating layer formed on the electrode active material layer and including a first binder, and the first binder is bonded to the gel polymer electrolyte, or a lithium secondary battery including a positive electrode, a negative electrode, and a separator interposed between the positive electrode and the negative electrode, and a gel polymer electrolyte formed by polymerizing an oligomer, wherein an electrode active material layer of one or more electrodes selected from the positive electrode and the negative electrode includes a second binder bonded to the gel polymer electrolyte through an epoxy ring-opening reaction.
Inventor(s): Daejin LEE of Daejeon (KR) for lg energy solution, ltd., Hoejin HAH of Daejeon (CN) for lg energy solution, ltd., Seung Bo HONG of Seoul (KR) for lg energy solution, ltd., Si Eun LEE of Seoul (KR) for lg energy solution, ltd., Young Jun LEE of Seoul (KR) for lg energy solution, ltd., Dong Won KIM of Seoul (KR) for lg energy solution, ltd.
IPC Code(s): H01M4/62, H01M4/02, H01M4/40, H01M10/0525, H01M10/0562
CPC Code(s): H01M4/623
Abstract: the present disclosure relates to a positive electrode for an all-solid-state battery, comprising: a positive electrode active material; a perfluorinated ionomer comprising lithium substituted sulfonate; a solid electrolyte; and conductive carbon, and an all-solid-state battery comprising the same.
20240339649. Roll-Type Electrode Body_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Sang Jin Seo of Daejeon (KR) for lg energy solution, ltd., Jun Woo Lee of Daejeon (KR) for lg energy solution, ltd., Chang Bum Ahn of Daejeon (KR) for lg energy solution, ltd., Yeong Cheol Jang of Daejeon (KR) for lg energy solution, ltd., Jea Bong Jung of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/04, H01M4/36, H01M50/595
CPC Code(s): H01M10/0431
Abstract: the present application provides a roll-type electrode body, a method for manufacturing same, and a process using the roll-type electrode body (a method for manufacturing a secondary battery). according to the present application, it is possible to provide a roll-type electrode body that can reduce loss generated in the conventional manufacturing process thereof and contribute to yield and productivity improvement, a method for manufacturing same, and a method for manufacturing a secondary battery by using same.
Inventor(s): Jae-Eun LEE of Daejeon (KR) for lg energy solution, ltd., Jong-Sik PARK of Daejeon (KR) for lg energy solution, ltd., Je-Jun LEE of Daejeon (KR) for lg energy solution, ltd., Hak-Kyun KIM of Daejeon (KR) for lg energy solution, ltd., Sang-Yeol KIM of Daejeon (KR) for lg energy solution, ltd., Jae-Won LIM of Daejeon (KR) for lg energy solution, ltd., Yu-Sung CHOE of Daejeon (KR) for lg energy solution, ltd., Byoung-Gu LEE of Daejeon (KR) for lg energy solution, ltd., Duk-Hyun RYU of Daejeon (KR) for lg energy solution, ltd., Kwan-Hee LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/04, H01M50/107, H01M50/152, H01M50/167, H01M50/559, H01M50/567
CPC Code(s): H01M10/0431
Abstract: in the electrode assembly, the first uncoated portion provided at a long side end of a first electrode includes a segment region divided into a plurality of independently bendable segments by a plurality of cut grooves provided along a winding direction. the segment region includes a plurality of segment groups disposed with a group separation pitch along the winding direction. the plurality of segment groups constitute at least one segment alignment on one side of the electrode assembly. at least some of central points of winding turn arcs where the p number of segment groups are located are not located on a predetermined alignment line extending in the radial direction from the center of the core.
Inventor(s): Ga Young Baek of Daejeon (KR) for lg energy solution, ltd., Chul Haeng Lee of Daejeon (KR) for lg energy solution, ltd., Kyung Mi Lee of Daejeon (KR) for lg energy solution, ltd., Jung Min Lee of Daejeon (KR) for lg energy solution, ltd., Su Hyeon Ji of Daejeon (KR) for lg energy solution, ltd., Chul Eun Yeom of Daejeon (KR) for lg energy solution, ltd., Yoon Gyo Cho of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/0567, H01M10/052, H01M10/0568, H01M10/0569
CPC Code(s): H01M10/0567
Abstract: a non-aqueous electrolyte includes an organic solvent, a compound represented by formula 1 as a first additive, and a compound represented by formula 2 or formula 3 as a second additive:
Inventor(s): Ga Young Baek of Daejeon (KR) for lg energy solution, ltd., Chul Haeng Lee of Daejeon (KR) for lg energy solution, ltd., Kyung Mi Lee of Daejeon (KR) for lg energy solution, ltd., Jung Min Lee of Daejeon (KR) for lg energy solution, ltd., Su Hyeon Ji of Daejeon (KR) for lg energy solution, ltd., Chul Eun Yeom of Daejeon (KR) for lg energy solution, ltd., Yoon Gyo Cho of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/0567, H01M10/052, H01M10/0568, H01M10/0569
CPC Code(s): H01M10/0567
Abstract:
20240339660. Lithium Secondary Battery_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Su Hyeon Ji of Daejeon (KR) for lg energy solution, ltd., Chul Haeng Lee of Daejeon (KR) for lg energy solution, ltd., Jung Min Lee of Daejeon (KR) for lg energy solution, ltd., Ga Young Baek of Daejeon (KR) for lg energy solution, ltd., Chul Eun Yeom of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/0567, H01M4/02, H01M4/505, H01M4/525, H01M10/0525
CPC Code(s): H01M10/0567
Abstract: a lithium secondary battery includes a positive electrode; a negative electrode; a separator interposed between the positive electrode and the negative electrode; and a non-aqueous electrolyte. the positive electrode includes a positive electrode active material, the positive electrode material includes a lithium transition metal oxide represented by a specific chemical formula, the non-aqueous electrolyte includes a lithium ion, an organic solvent, and an additive, the additive includes a first first additive and a second additive, the first additive includes a phosphate-based additive having a silyl group, and the second additive includes a compound represented by a specific chemical formula.
Inventor(s): Young-Won YUN of Daejeon (KR) for lg energy solution, ltd., Ki-Youn KIM of Daejeon (KR) for lg energy solution, ltd., Hyeon-Kyu KIM of Daejeon (KR) for lg energy solution, ltd., Jeong-O MUN of Daejeon (KR) for lg energy solution, ltd., Gi-Dong PARK of Daejeon (KR) for lg energy solution, ltd., Jong-Kyu AHN of Daejeon (KR) for lg energy solution, ltd., Seong-Ju LEE of Daejeon (KR) for lg energy solution, ltd., Jae-Ki LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/42, A62C3/16, A62C37/36, H01M10/613, H01M10/6567
CPC Code(s): H01M10/425
Abstract: a battery pack includes a battery module having at least one battery cell, a control module connected to the battery module and configured to manage the battery module, a fire extinguishing tank containing a fire extinguishing agent and coupled to at least one of the battery module and the control module, and a side cover mounted on one side of the fire extinguishing tank and configured to guide electrical connection between the battery module and the control module.
Inventor(s): Songgwon KIM of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/42, G01R31/396, H01M10/48, H02J7/00
CPC Code(s): H01M10/425
Abstract: a battery management apparatus and method for performing battery condition monitoring in conjunction with a battery protection device connected to one or more battery modules, includes monitoring a plurality of battery cells included in the one or more battery modules, upon an abnormality occurring in the one or more of the battery cells, select one of the battery modules, except the battery module including the battery cell in which the abnormality occurred, as a power supply module, transmit a control signal to a battery power source control device connected to the plurality of battery modules to connect a selected power supply module and the battery protection device, and receive power from the battery protection device connected to the power supply module and obtaining state data of the battery cell in which the abnormality occurred.
20240339697. Battery Module_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Hyunseok Shim of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M10/6568, H01M10/613, H01M10/625, H01M10/647, H01M10/6551, H01M10/6552, H01M10/6555, H01M10/6557, H01M10/6567
CPC Code(s): H01M10/6568
Abstract: a battery module, according to an embodiment of the present disclosure includes a battery cell laminate having a plurality of battery cells stacked along a stacking direction, cooling fins interposed between the battery cells, and first and second cooling manifolds connected to the cooling fins. the cooling fins include a first cooling fin having a first inlet and a first outlet and a second cooling fin having a second inlet and a second outlet, where the first inlet and the second outlet are connected to the first cooling manifold, and the second inlet and the first outlet are connected to the second cooling manifold.
20240339704. BUTTON-TYPE SECONDARY BATTERY_simplified_abstract_(lg energy solution, ltd.)
Inventor(s): Min Gyu KIM of Daejeon (KR) for lg energy solution, ltd., Joo Hwan SUNG of Daejeon (KR) for lg energy solution, ltd., Min Su CHO of Daejeon (KR) for lg energy solution, ltd., Geun Young PARK of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/169, H01M10/04, H01M50/109, H01M50/153, H01M50/188
CPC Code(s): H01M50/169
Abstract: a button-type secondary battery includes an electrode assembly; a can having an open end and accommodating the electrode assembly; a base plate sealing the open end of the can; an electrode terminal passing through a through-hole of the base plate; and an insulating gasket insulating the electrode terminal from the base plate. the open end includes a first-a inclined surface inclined with respect to an inner surface and a first-b inclined surface inclined with respect to an outer surface and having an upper end connected to an upper end of the first-a inclined surface. an edge portion of the base plate includes a second-a inclined surface inclined with respect to a bottom surface and in contact with the first-a inclined surface and a second-b inclined surface inclined with respect to a top surface and having a lower end connected to an upper end of the second-a inclined surface.
Inventor(s): Doo Seung Kim of Daejeon (KR) for lg energy solution, ltd., II Suk Sim of Daejeon (KR) for lg energy solution, ltd., Yeon Chul Choo of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/342
CPC Code(s): H01M50/3425
Abstract: disclosed herein is a gas venting device, a battery module and a battery pack including the same. a cross-sectional area of a flow path according to a gas discharge direction of the gas venting device is increased or decreased to allow a larger flow amount of gas to be discharged using a venting disk of the same area.
Inventor(s): Ji Hyun BANG of Daejeon (KR) for lg energy solution, ltd., So Mi JEONG of Daejeon (KR) for lg energy solution, ltd., Yeo Ju YOON of Daejeon (KR) for lg energy solution, ltd., Seong Jun KIM of Daejeon (KR) for lg energy solution, ltd., Yeong Ha KIM of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/414, H01M50/446, H01M50/491
CPC Code(s): H01M50/414
Abstract: the present invention provides a separator for an electrochemical device includes a porous polymer substrate, and a porous coating layer including a first polymer binder and inorganic particles and formed on at least one surface of the porous polymer substrate, wherein the first polymer binder and the inorganic particles each have different ligands introduced thereto.
Inventor(s): Young Soo Kim of Daejeon (KR) for lg energy solution, ltd., Kwan Soo Lee of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/578, H01M50/107, H01M50/152, H01M50/186, H01M50/342
CPC Code(s): H01M50/578
Abstract: a secondary battery according to one embodiment of the present disclosure includes an electrode assembly including electrodes and a separator; a battery can housing the electrode assembly and having an upper end; and a safety vent coupled to the open upper end of the battery can. the electrode assembly includes an electrode tab protruding from one of the electrodes in a direction towards the safety vent. the safety vent is formed with a notch part extending along a circumferential direction. the safety vent includes a central portion positioned radially inside the notch part and an outer peripheral portion positioned radially outside the notch part, where the electrode tab is attached to a lower surface of the outer peripheral portion.
Inventor(s): Hyun Gyu Han of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H01M50/581, H01M50/105, H01M50/129, H01M50/178, H01M50/55
CPC Code(s): H01M50/581
Abstract: the present invention relates to a pouch-shaped battery cell with improved thermal safety, and more particularly to a pouch-shaped battery cell including an electrode assembly having a pair of electrode tabs provided at one side or opposing sides of the electrode assembly, a cell case configured to receive the electrode assembly, a pair of electrode leads, a first side of each of the pair of electrode leads being connected to a corresponding one of the electrode tabs, a second side of each of the electrode leads protruding from the cell case, a lead film located between the cell case and each of the electrode leads, and a thermal fuse unit, wherein at a predetermined temperature or higher, the thermal fuse unit is operated to induce occurrence of a short circuit.
Inventor(s): Jung Hoon LEE of Daejeon (KR) for lg energy solution, ltd., Yean Sik CHOI of Daejeon (KR) for lg energy solution, ltd., Sung Gun LEE of Daejeon (KR) for lg energy solution, ltd.
IPC Code(s): H04W12/06, B60L1/00, B60L50/60, B60L53/80, B60L58/10, H02J7/00, H04W4/80
CPC Code(s): H04W12/06
Abstract: the present invention relates to a method of turning on an electric scooter by supplying power to the ecu when the interchangeable battery pack is driven by eliminating the auxiliary battery that always supplies power to the ecu that turns on the start of the electric scooter, providing an interchangeable battery packs using wireless communication type, and using a wireless communication signal received from a smart device as a driving signal of the interchangeable battery pack.
LG Energy Solution, Ltd. patent applications on October 10th, 2024
- LG Energy Solution, Ltd.
- B08B5/02
- B08B5/04
- H01M10/04
- CPC B08B5/023
- Lg energy solution, ltd.
- B32B37/00
- B32B15/04
- B32B15/20
- H01M4/04
- H01M4/134
- H01M4/1395
- H01M10/052
- CPC B32B37/025
- G01R31/392
- G01R19/00
- G01R19/10
- G01R19/30
- G01R31/367
- G01R31/3842
- G01R31/396
- CPC G01R31/392
- G05D7/06
- H01M4/02
- CPC H01M4/04
- H01M4/139
- CPC H01M4/0404
- H01M4/36
- H01M4/525
- H01M10/0525
- CPC H01M4/366
- H01M4/38
- H01M10/0567
- H01M10/0568
- H01M10/0569
- CPC H01M4/382
- H01M4/62
- H01M4/13
- H01M4/48
- CPC H01M4/622
- H01M10/0565
- H01M10/058
- H01M4/40
- H01M10/0562
- CPC H01M4/623
- H01M50/595
- CPC H01M10/0431
- H01M50/107
- H01M50/152
- H01M50/167
- H01M50/559
- H01M50/567
- CPC H01M10/0567
- H01M4/505
- H01M10/42
- A62C3/16
- A62C37/36
- H01M10/613
- H01M10/6567
- CPC H01M10/425
- H01M10/48
- H02J7/00
- H01M10/6568
- H01M10/625
- H01M10/647
- H01M10/6551
- H01M10/6552
- H01M10/6555
- H01M10/6557
- CPC H01M10/6568
- H01M50/169
- H01M50/109
- H01M50/153
- H01M50/188
- CPC H01M50/169
- H01M50/342
- CPC H01M50/3425
- H01M50/414
- H01M50/446
- H01M50/491
- CPC H01M50/414
- H01M50/578
- H01M50/186
- CPC H01M50/578
- H01M50/581
- H01M50/105
- H01M50/129
- H01M50/178
- H01M50/55
- CPC H01M50/581
- H04W12/06
- B60L1/00
- B60L50/60
- B60L53/80
- B60L58/10
- H04W4/80
- CPC H04W12/06
